| 微波遥感典型地物介电常数实地测量 |
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| 引用本文： | 张俊荣,张德海,王丽巍,赵有,张升伟,郭伟.微波遥感典型地物介电常数实地测量[J].电子与信息学报,1997,19(4):566-569. |
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| 作者姓名： | 张俊荣 张德海 王丽巍 赵有 张升伟 郭伟 |
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| 作者单位： | 中国科学院长春地理所微波遥感室，中国科学院长春地理所微波遥感室，中国科学院长春地理所微波遥感室，中国科学院长春地理所微波遥感室，中国科学院长春地理所微波遥感室，中国科学院长春地理所微波遥感室 长春 130021，长春 130021，长春 130021，长春 130021，长春 130021，长春 130021 |
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| 摘 要： | 在微波遥感定量化研究中,要求对遥感目标的介电特性有较准确的了解.为此采用自由空间法在野外实地测量典型目标的介电常数.给出了基本原理,定标方法及在X波段对黑土,草地,和冰所测的介电常数。分析比较了测量结果。
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| 关 键 词： | 微波遥感 介电常数 自由空间法 实地测量 |
| 收稿时间： | 1995-9-15 |
| 修稿时间： | 1996-6-11 |
IN SITU MEASUREMENT OF TYPICAL OBJECTS PERMITTIVITIES IN MICROWAVE REMOTE SENSING |
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| Zhang Junrong,Zhang Dehai,Wang Liwei,Zhao You,Zhang Shengwei,Guo Wei.IN SITU MEASUREMENT OF TYPICAL OBJECTS PERMITTIVITIES IN MICROWAVE REMOTE SENSING[J].Journal of Electronics & Information Technology,1997,19(4):566-569. |
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| Authors: | Zhang Junrong Zhang Dehai Wang Liwei Zhao You Zhang Shengwei Guo Wei |
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| Institution: | Changchun Institute of Geography Academia Sinica Changchun 130021 |
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| Abstract: | In microwave remote sensing quantitative study, it needs to know dielectric properties of remote sensing objects precisely. The free-space method was used to in situ measure typical objects' permittivities in the fields for obtaining precise data of fitting for remote sensing real objects. The basis and calibration method of free-space method were given. The permittvities of black soil, meadow, and ice with the method were presented. The results were analysed. |
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| Keywords: | Microwave remote sensing Permittivity Free-space method In situ measurement |
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